streptococcus [ˌstrɛptə(ʊ)ˈkɒkəs] (pl. streptococci -ˈkɒk(s)ʌɪ, -ˈkɒk(s)iː)
a bacterium of a genus that includes the agents of souring of milk and dental decay, and haemolytic pathogens causing various infections such as scarlet fever and pneumonia 链球菌
Genus Streptococcus; Gram-positive cocci in pairs and chains 链球菌属;成对和链状的格兰氏阳性球菌